Conditioning analysis of block incomplete factorizations and its application to elliptic equations (Q1385130)
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scientific article; zbMATH DE number 1145993
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Conditioning analysis of block incomplete factorizations and its application to elliptic equations |
scientific article; zbMATH DE number 1145993 |
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Conditioning analysis of block incomplete factorizations and its application to elliptic equations (English)
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26 April 1998
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This paper provides eigenvalue estimates for block incomplete factorization methods for symmetric matrices. Some previous results on upper bounds for the maximum eigenvalue of preconditioned matrices are first generalized to each eigenvalue. Then new and improved upper bounds for the maximum eigenvalue of the preconditioned matrix are introduced. These results are used to estimate bounds for every eigenvalue.
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elliptic equations
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conditioning
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eigenvalue estimates
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block incomplete factorization methods
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symmetric matrices
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preconditioned matrices
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